%0 Journal Article
%A Emanuela Caliceti
%A Francesco Cannata
%A Sandro Graffi
%T $\mathcal P\mathcal T$ Symmetric Schrödinger Operators: Reality of the Perturbed Eigenvalues
%J Symmetry, integrability and geometry: methods and applications
%D 2010
%V 6
%U http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a8/
%G en
%F SIGMA_2010_6_a8